Remove unnecessary build dependencies for hiredis (#91)

Author: qiluo-msft

rules/hiredis.mk

@@ -7,8 +7,8 @@ export HIREDIS_VERSION HIREDIS_VERSION_FULL
 
 LIBHIREDIS = libhiredis0.13_$(HIREDIS_VERSION_FULL)_amd64.deb
 $(LIBHIREDIS)_SRC_PATH = $(SRC_PATH)/hiredis
-$(LIBHIREDIS)_DEPENDS += $(REDIS_SERVER) $(REDIS_TOOLS) $(REDIS_SENTINEL)
-$(LIBHIREDIS)_RDEPENDS += $(REDIS_SERVER) $(REDIS_TOOLS) $(REDIS_SENTINEL)
+$(LIBHIREDIS)_DEPENDS += $(REDIS_TOOLS) $(REDIS_SERVER)
+$(LIBHIREDIS)_RDEPENDS +=
 SONIC_MAKE_DEBS += $(LIBHIREDIS)
 
 LIBHIREDIS_DEV = libhiredis-dev_$(HIREDIS_VERSION_FULL)_amd64.deb